Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 + 30 by rounding each number to the nearest 10: ______
- Estimate 63 + 82 by rounding each number to the nearest 10: ______
- Estimate 73 − 27 by rounding each number to the nearest 10: ______
- Estimate 85 + 80 by rounding each number to the nearest 10: ______
- Estimate 46 + 81 by rounding each number to the nearest 10: ______
- Estimate 39 − 25 by rounding each number to the nearest 10: ______
- Estimate 78 − 86 by rounding each number to the nearest 10: ______
- Estimate 88 − 51 by rounding each number to the nearest 10: ______
- Estimate 26 + 36 by rounding each number to the nearest 10: ______
- Estimate 83 + 25 by rounding each number to the nearest 10: ______
- Estimate 81 + 86 by rounding each number to the nearest 10: ______
- Estimate 55 − 27 by rounding each number to the nearest 10: ______
- Estimate 25 − 51 by rounding each number to the nearest 10: ______
- Estimate 66 + 76 by rounding each number to the nearest 10: ______
- Estimate 64 − 53 by rounding each number to the nearest 10: ______
- Estimate 41 − 35 by rounding each number to the nearest 10: ______
- Estimate 87 − 65 by rounding each number to the nearest 10: ______
- Estimate 71 − 77 by rounding each number to the nearest 10: ______
- Estimate 30 − 21 by rounding each number to the nearest 10: ______
- Estimate 56 − 21 by rounding each number to the nearest 10: ______